Eurotech Apollo User Manual page 65

Field
Wake On Ring
Serial port COM2
Mode
Base I/O Address
Interrupt
Wake On Ring
Serial Port COM4
Mode
Serial Port COM3 has no BIOS configuration options as it based on a PCI UART
and provides only RS232 output.
Issue G
Explanation
Choose whether the computer is to wake from
standby/hibernation in response to a Ring Indicator (RI) signal
from serial port COM1.
Choose how this port is to be configured. The options available
are the same as for Serial Port COM1, above.
Set the mode for this port. This can be:
• Normal
: Standard RS232 mode.
•
ASK-IR: Sharp Amplitude Shift Keying mode.
•
IRDA: IrDA 1.0 infrared communications mode.
Specify the I/O address to be used by serial port COM2. This can
be 2E8, 3E8, 2F8 or 3F8.
Specify the interrupt line to be used by serial port COM2. This can
be IRQ3 or IRQ4.
Choose whether the computer is to wake from
standby/hibernation in response to a Ring Indicator (RI) signal
from serial port COM2.
This serial port is based on a PCI UART, so has no I/O address or
interrupt line configuration options. You can, however, specify the
interface mode for this port (see below).
Set the mode for serial port COM4. You are offered RS232 by
default. You can change this, if required, to RS485 or RS422,
which provide additional flow control options related to auto RTS.
Auto RTS flow control provides a mechanism whereby the serial
port automatically switches the RS485/422 transceiver from being
a transmitter to a receiver once the last byte has been
transmitted. This means the user can simply read and write to the
device as if it were a normal serial port.
PhoenixBIOS features and setup
65